1 files changed, 0 insertions, 175 deletions

diff --git a/drivers/connector/connector.c b/drivers/connector/connector.c
index f06024668f99..537c29ac4487 100644
--- a/drivers/connector/connector.c
+++ b/drivers/connector/connector.c
@@ -36,17 +36,6 @@ MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Evgeniy Polyakov <zbr@ioremap.net>");
 MODULE_DESCRIPTION("Generic userspace <-> kernelspace connector.");
 
-static u32 cn_idx = CN_IDX_CONNECTOR;
-static u32 cn_val = CN_VAL_CONNECTOR;
-
-module_param(cn_idx, uint, 0);
-module_param(cn_val, uint, 0);
-MODULE_PARM_DESC(cn_idx, "Connector's main device idx.");
-MODULE_PARM_DESC(cn_val, "Connector's main device val.");
-
-static DEFINE_MUTEX(notify_lock);
-static LIST_HEAD(notify_list);
-
 static struct cn_dev cdev;
 
 static int cn_already_initialized;
@@ -210,54 +199,6 @@ static void cn_rx_skb(struct sk_buff *__skb)
 }
 
 /*
- * Notification routing.
- *
- * Gets id and checks if there are notification request for it's idx
- * and val.  If there are such requests notify the listeners with the
- * given notify event.
- *
- */
-static void cn_notify(struct cb_id *id, u32 notify_event)
-{
-        struct cn_ctl_entry *ent;
-
-        mutex_lock(&notify_lock);
-        list_for_each_entry(ent, &notify_list, notify_entry) {
-                int i;
-                struct cn_notify_req *req;
-                struct cn_ctl_msg *ctl = ent->msg;
-                int idx_found, val_found;
-
-                idx_found = val_found = 0;
-
-                req = (struct cn_notify_req *)ctl->data;
-                for (i = 0; i < ctl->idx_notify_num; ++i, ++req) {
-                        if (id->idx >= req->first &&
-                                        id->idx < req->first + req->range) {
-                                idx_found = 1;
-                                break;
-                        }
-                }
-
-                for (i = 0; i < ctl->val_notify_num; ++i, ++req) {
-                        if (id->val >= req->first &&
-                                        id->val < req->first + req->range) {
-                                val_found = 1;
-                                break;
-                        }
-                }
-
-                if (idx_found && val_found) {
-                        struct cn_msg m = { .ack = notify_event, };
-
-                        memcpy(&m.id, id, sizeof(m.id));
-                        cn_netlink_send(&m, ctl->group, GFP_KERNEL);
-                }
-        }
-        mutex_unlock(&notify_lock);
-}
-
-/*
  * Callback add routing - adds callback with given ID and name.
  * If there is registered callback with the same ID it will not be added.
  *
@@ -276,8 +217,6 @@ int cn_add_callback(struct cb_id *id, char *name,
         if (err)
                 return err;
 
-        cn_notify(id, 0);
-
         return 0;
 }
 EXPORT_SYMBOL_GPL(cn_add_callback);
@@ -295,111 +234,9 @@ void cn_del_callback(struct cb_id *id)
         struct cn_dev *dev = &cdev;
 
         cn_queue_del_callback(dev->cbdev, id);
-        cn_notify(id, 1);
 }
 EXPORT_SYMBOL_GPL(cn_del_callback);
 
-/*
- * Checks two connector's control messages to be the same.
- * Returns 1 if they are the same or if the first one is corrupted.
- */
-static int cn_ctl_msg_equals(struct cn_ctl_msg *m1, struct cn_ctl_msg *m2)
-{
-        int i;
-        struct cn_notify_req *req1, *req2;
-
-        if (m1->idx_notify_num != m2->idx_notify_num)
-                return 0;
-
-        if (m1->val_notify_num != m2->val_notify_num)
-                return 0;
-
-        if (m1->len != m2->len)
-                return 0;
-
-        if ((m1->idx_notify_num + m1->val_notify_num) * sizeof(*req1) !=
-            m1->len)
-                return 1;
-
-        req1 = (struct cn_notify_req *)m1->data;
-        req2 = (struct cn_notify_req *)m2->data;
-
-        for (i = 0; i < m1->idx_notify_num; ++i) {
-                if (req1->first != req2->first || req1->range != req2->range)
-                        return 0;
-                req1++;
-                req2++;
-        }
-
-        for (i = 0; i < m1->val_notify_num; ++i) {
-                if (req1->first != req2->first || req1->range != req2->range)
-                        return 0;
-                req1++;
-                req2++;
-        }
-
-        return 1;
-}
-
-/*
- * Main connector device's callback.
- *
- * Used for notification of a request's processing.
- */
-static void cn_callback(struct cn_msg *msg, struct netlink_skb_parms *nsp)
-{
-        struct cn_ctl_msg *ctl;
-        struct cn_ctl_entry *ent;
-        u32 size;
-
-        if (msg->len < sizeof(*ctl))
-                return;
-
-        ctl = (struct cn_ctl_msg *)msg->data;
-
-        size = (sizeof(*ctl) + ((ctl->idx_notify_num +
-                                 ctl->val_notify_num) *
-                                sizeof(struct cn_notify_req)));
-
-        if (msg->len != size)
-                return;
-
-        if (ctl->len + sizeof(*ctl) != msg->len)
-                return;
-
-        /*
-         * Remove notification.
-         */
-        if (ctl->group == 0) {
-                struct cn_ctl_entry *n;
-
-                mutex_lock(&notify_lock);
-                list_for_each_entry_safe(ent, n, &notify_list, notify_entry) {
-                        if (cn_ctl_msg_equals(ent->msg, ctl)) {
-                                list_del(&ent->notify_entry);
-                                kfree(ent);
-                        }
-                }
-                mutex_unlock(&notify_lock);
-
-                return;
-        }
-
-        size += sizeof(*ent);
-
-        ent = kzalloc(size, GFP_KERNEL);
-        if (!ent)
-                return;
-
-        ent->msg = (struct cn_ctl_msg *)(ent + 1);
-
-        memcpy(ent->msg, ctl, size - sizeof(*ent));
-
-        mutex_lock(&notify_lock);
-        list_add(&ent->notify_entry, &notify_list);
-        mutex_unlock(&notify_lock);
-}
-
 static int cn_proc_show(struct seq_file *m, void *v)
 {
         struct cn_queue_dev *dev = cdev.cbdev;
@@ -437,11 +274,8 @@ static const struct file_operations cn_file_ops = {
 static int __devinit cn_init(void)
 {
         struct cn_dev *dev = &cdev;
-        int err;
 
         dev->input = cn_rx_skb;
-        dev->id.idx = cn_idx;
-        dev->id.val = cn_val;
 
         dev->nls = netlink_kernel_create(&init_net, NETLINK_CONNECTOR,
                                          CN_NETLINK_USERS + 0xf,
@@ -457,14 +291,6 @@ static int __devinit cn_init(void)
 
         cn_already_initialized = 1;
 
-        err = cn_add_callback(&dev->id, "connector", &cn_callback);
-        if (err) {
-                cn_already_initialized = 0;
-                cn_queue_free_dev(dev->cbdev);
-                netlink_kernel_release(dev->nls);
-                return -EINVAL;
-        }
-
         proc_net_fops_create(&init_net, "connector", S_IRUGO, &cn_file_ops);
 
         return 0;
@@ -478,7 +304,6 @@ static void __devexit cn_fini(void)
 
         proc_net_remove(&init_net, "connector");
 
-        cn_del_callback(&dev->id);
         cn_queue_free_dev(dev->cbdev);
         netlink_kernel_release(dev->nls);
 }